#define NUM 5
#define C_NUM 4
int a[NUM+1];
int b[]={0,2,3,5,7};
main()
{
    int i,not_finish=1;
    i=2;a[1]=1;
    while (not_finish)
    {
        while(not_finish&&i<=NUM)
        if(a[i]>=C_NUM)
        if(i==1&&a[1]==C_NUM)
        not_finish=0;
        //lekai
        else a[i--]=0;
        else a[i++]++;
        if(not_finish){
            long int sum1,sum2,sum3,sum4;
            sum1=b[a[1]]*100+b[a[2]]*10+b[a[3]];
            sum2=sum1*b[a[5]];
            sum3=sum1*b[a[4]];
            if(sum2>=2222&&sum2<=7777&&f(sum2)&&sum3>=2222&&sum3<=7777&&f(sum3))
            if((sum4=sum2+sum3*10)>=22222&&sum4<=77777&&f(sum4)){
                printf("   %d\n",sum1);
                printf("* %d%d\n",b[a[4]],b[a[5]]);
                printf("------------------------\n");
                printf("  %d\n",sum2);
                printf("  %d\n",sum3);
                printf("------------------------\n");
                printf("  %d\n",sum4);
            }
            i=NUM;
        }
    }
    
}
f(sum)
long sum;
{
    int i,k,flag;
    while(sum>0){
        i=sum%10;
        for(flag=0,k=1;!flag&&k<=C_NUM;k++)
        if(b[k]==i){
            flag=1;break;
        }
        if(!flag)return(0);
        else sum=sum/10;
    }
    return(1);
}